
package cn.webrx;

public class op4 {
    public static void main(String[] args) {
        int i = 30;
        System.out.println(i++); //30 输入i, 再执行i++ i就变为i=i+1
        i += 2; // i = i + 2;
        System.out.println(i); //33
        i -= 1;
        System.out.println(i);//32
        i *= 2;
        System.out.println(i);//64
        i /= 2;
        System.out.println(i);//32
        i %= 2;
        System.out.println(i);//0
    }
}
